20862996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 61780992

約数和(自身を除く): 40917996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 67, 77, 84, 132, 134, 154, 201, 231, 268, 308, 337, 402, 462, 469, 674, 737, 804, 924, 938, 1011, 1348, 1407, 1474, 1876, 2022, 2211, 2359, 2814, 2948, 3707, 4044, 4422, 4718, 5159, 5628, 7077, 7414, 8844, 9436, 10318, 11121, 14154, 14828, 15477, 20636, 22242, 22579, 25949, 28308, 30954, 44484, 45158, 51898, 61908, 67737, 77847, 90316, 103796, 135474, 155694, 158053, 248369, 270948, 311388, 316106, 474159, 496738, 632212, 745107, 948318, 993476, 1490214, 1738583, 1896636, 2980428, 3477166, 5215749, 6954332, 10431498, 20862996]

約数ペア:

[(1, 20862996), (2, 10431498), (3, 6954332), (4, 5215749), (6, 3477166), (7, 2980428), (11, 1896636), (12, 1738583), (14, 1490214), (21, 993476), (22, 948318), (28, 745107), (33, 632212), (42, 496738), (44, 474159), (66, 316106), (67, 311388), (77, 270948), (84, 248369), (132, 158053), (134, 155694), (154, 135474), (201, 103796), (231, 90316), (268, 77847), (308, 67737), (337, 61908), (402, 51898), (462, 45158), (469, 44484), (674, 30954), (737, 28308), (804, 25949), (924, 22579), (938, 22242), (1011, 20636), (1348, 15477), (1407, 14828), (1474, 14154), (1876, 11121), (2022, 10318), (2211, 9436), (2359, 8844), (2814, 7414), (2948, 7077), (3707, 5628), (4044, 5159), (4422, 4718)]